July Weather in Wellesley, Canada

Last updated: June 18, 2025

In Wellesley, Canada, the average temperature in July hovers around 21°C (70°F), offering a pleasant climate. However, be prepared for variations, as temperatures can dip to a minimum of 9°C (49°F) or soar up to a maximum of 32°C (90°F). This month typically sees 79 mm (3.1 in) of precipitation over 13 days, contributing to an average humidity of 79%. Perfect for those who enjoy a bit of warmth with a touch of moisture!

July Temperature in Wellesley

In July in Wellesley, the average temperature is 21°C (70°F), with maximums reaching up to 32°C (90°F) and minimums dropping as low as 9°C (49°F). This pleasant climate makes Wellesley an ideal destination for travelers seeking comfortable weather and outdoor activities.

July Weather in Wellesley: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Wellesley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wellesley, July typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Wellesley generated using information from the Copernicus Climate Change Service.

July Precipitation in Wellesley

In Wellesley in July, the precipitation amount is 79 mm (3.1 in) over a span of 13 days.

July Precipitation Trends in Wellesley

The chart displays monthly precipitation patterns in Wellesley, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Wellesley, July typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

July Humidity in Wellesley

In Wellesley in July humidity is 79%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making outdoor exploration a bit sticky but still enjoyable for travelers who appreciate the lush, vibrant atmosphere.

July Average Humidity in Wellesley

This chart illustrates the average monthly humidity levels in Wellesley, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Wellesley is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Wellesley

In Wellesley in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Wellesley.

Maximum UV Index Levels in Wellesley for July

The chart shows the monthly maximum UV Index (UVI) for Wellesley in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Wellesley typically reaches 9, which falls under the very high exposure category.

Data source: Wellesley July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How July Weather in Wellesley Compares to Other Months

Weather in Wellesley varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Wellesley, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Wellesley, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (22°F)	77 mm (3.0 inches)	90%	low
February Weather	-5°C (23°F)	81 mm (3.2 inches)	90%	moderate
March Weather	0°C (31°F)	70 mm (2.8 inches)	87%	moderate
April Weather	5°C (42°F)	101 mm (4.0 inches)	87%	very high
May Weather	13°C (55°F)	98 mm (3.9 inches)	82%	very high
June Weather	18°C (65°F)	108 mm (4.2 inches)	81%	very high
July Weather	21°C (70°F)	79 mm (3.1 inches)	79%	very high
August Weather	20°C (68°F)	102 mm (4.0 inches)	80%	very high
September Weather	16°C (61°F)	83 mm (3.3 inches)	81%	high
October Weather	10°C (50°F)	111 mm (4.4 inches)	84%	moderate
November Weather	2°C (36°F)	89 mm (3.5 inches)	88%	moderate
December Weather	-2°C (29°F)	77 mm (3.0 inches)	87%	low